400234052244 has 24 divisors (see below), whose sum is σ = 1005716336800. Its totient is φ = 123148939104.

The previous prime is 400234052219. The next prime is 400234052279. The reversal of 400234052244 is 442250432004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282801294 + ... + 1282801605.

Almost surely, 2^400234052244 is an apocalyptic number.

It is an amenable number.

400234052244 is an abundant number, since it is smaller than the sum of its proper divisors (605482284556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400234052244 is a wasteful number, since it uses less digits than its factorization.

400234052244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565602919 (or 2565602917 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 400234052244 its reverse (442250432004), we get a palindrome (842484484248).

The spelling of 400234052244 in words is "four hundred billion, two hundred thirty-four million, fifty-two thousand, two hundred forty-four".